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trying to access a node on a PLC but fail

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26 May 2023 04:02 #11770 by support
Hello,

can you please uninstall your current QuickOPC, and install the current one (that is, 5.70.1202 or later) from our Web site? We have recently fixed something similar that could be causing it.

Best regards

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25 May 2023 17:12 #11766 by Pala
your questions and my answer

1. Which QuickOPC version&build are you using?
5.70.1053.1

2. Does this happen only with this node, or also with other nodes?
with all nodes

3. Can you read the node from the Connectivity Explorer?
yes

4. Does it happen always, or just sometimes?
always

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25 May 2023 11:25 #11765 by support
Hello.

I have some questions.

1. Which QuickOPC version&build are you using?
2. Does this happen only with this node, or also with other nodes?
3. Can you read the node from the Connectivity Explorer?
4. Does it happen always, or just sometimes?

Thank you

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25 May 2023 10:52 #11764 by Pala
we are trying to access a node on a PLC but fail

in attachment the screenshot with the node and its information



we are trying to access it with this call:

$Client = new COM("OpcLabs.EasyOpc.UA.EasyUAClient");

$value = $Client->ReadValue(
'opc.tcp://192.168.0.126:4840/ServerInterfaces/[Interfaccia server_1]',
'nsu=http://interfaccia%20server_1 ;ns=4;i=498'
);

printf("Value: %s<br>", $value);

################################

but we have this error:

OPC UA service result - Error establishing a connection: BadNotConnected. Error establishing a connection: BadNotConnected
Attachments:

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